The energy transfer was observed between the charge transfer state of O-W and the rare earth ion Er3+ , and a model for explaining the energy transfer was given.

同时观测到O-W的电荷迁移态与稀土离子之间的能量传递现象，并给出了能量传递的模型。

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He christened his creation Expans o Fill and in 1998 sent it to Michigan State University's School of Packaging for independent testing.

他给自己的这项新创造取名“Expans O Fill”，并在1998年把它们送去密歇根州立大学的包装大学做独立试验。

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Seven of the ten highest-scoring school districts in the state of São Paulo had a private education company, COC, to manage their classrooms.

在圣保罗州，十个高分学校地区中的七个拥有私立教育公司（COC），来管理他们的各个班级。

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This is a more-or-less permanent state of affairs, because Mr O'Konek's contract says he does not have to take language lessons for three years (he wants to devote himself to the telecoms business first).

ECONOMIST: Tongue-twisters

When the Republican state legislature threatened to seize control of O'Hare and Midway in 1995 by forming a regional airport authority, Mr Daley called an emergency meeting of the city council, ostensibly to discuss a public backlash against a 36% pay raise for council members.

ECONOMIST: Air travel: Relieving O’Hare | The

The ceremony featured speeches from Warrington Mayor Steve Wright, Warrington Council leader Terry O'Neill, minister of state for Northern Ireland Mike Penning MP and Mayor of Lisburn Alderman William Leathem.

BBC: Warrington recalls IRA bombing 20 years on